/*
 * Copyright (c) 2025 Huawei Device Co., Ltd.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

/* 
 * @testsuite Arkts test suite
 * @description
 * When accessing an external object or its methods and properties, you must 
 * first check whether the object is null, or whether the object contains the 
 * method or property being called.
 * @author Huawei
 *
 */


class MyError2 {
    msg: string;
}

function print(err: MyError2){
    /* POTENTIAL FLAW: err is possibly undefined. */
    addToSysLog(err.msg);
}

let e = undefined;
print(e);